Trane TRG-TRC013-EN Constant-VolumeSystem, design system, resistance curve, pressure, surge, g FG

g
Constant-Volume System
	design system
	resistance curve
pressure	surge
	region
static
	airflow	g FG
S” p r—”
px2
qtu—
K2

u—““—

p wxvwt

increase in system static pressure before the fan’s operating point reaches the surge region. Of course, as the fan is called upon to generate more static pressure to overcome this increased system resistance, its airflow is reduced accordingly.

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